U DPN/1-3 Writings on the Toba Batak, 1970s

U DPN/4-16 Studies of Indian religions, 1980s

U DPN/17-24 Courses on world religions, late 20th century

U DPN/25-44 Miscellaneous publications, 1827 - 1985

U DPN/45-54 Miscellaneous items, 1975- 2002